CN213179438U

CN213179438U - Aluminum ingot smelting system

Info

Publication number: CN213179438U
Application number: CN202021481238.8U
Authority: CN
Inventors: 杨洪斌
Original assignee: Dujiangyan Chuanxiang Aluminum Co ltd
Current assignee: Dujiangyan Chuanxiang Aluminum Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-05-11
Anticipated expiration: 2030-07-24

Abstract

The utility model discloses an aluminium ingot system of smelting, including old material smelting furnace, with refining furnace, the new material stove of old material smelting furnace intercommunication, respectively with the aluminium liquid chute of refining furnace and new material stove intercommunication, with the shunt of aluminium liquid chute intercommunication and the conticaster of shunt intercommunication. The utility model has the advantages that: this scheme can refine, regenerate old and useless aluminium material to play resource recovery and utilization's effect, be favorable to improving resource utilization, reduce the wasting of resources, utilize the cooperation of shunt and conticaster to use, be convenient for with the periodic batch casting of aluminium liquid, avoid aluminium liquid to reveal and the extravagant phenomenon appears, safety risk when reducing production.

Description

Aluminum ingot smelting system

Technical Field

The utility model relates to the technical field of metallurgy, specifically an aluminium ingot system of smelting.

Background

The aluminum melting operation is a first step process step in the automobile hub production process, generally, the selected aluminum raw material is a high-purity aluminum ingot, or aluminum scraps such as aluminum shavings and aluminum scraps generated during hub cutting, but in the aluminum melting process, because the aluminum scrap has the factors of low purity, heavy moisture and the like, more impurities are generated during melting, and in order to avoid no pollution to the high-purity aluminum ingot, the aluminum ingot and the aluminum scraps are generally melted through two melting furnaces respectively. Compared with a high-purity aluminum ingot, the amount of aluminum waste is generally small, and the separate smelting increases the use cost and the floor area of equipment, easily causes resource waste, and increases the production cost.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model provides an aluminium ingot system of smelting for smelt aluminium ingot and aluminium waste material simultaneously, improve the efficiency of smelting of aluminium waste material, the aluminium liquid of avoiding the aluminium ingot to smelt after is polluted.

The utility model provides a technical scheme that above-mentioned problem adopted is: an aluminum ingot smelting system comprises an old material smelting furnace, a refining furnace communicated with the old material smelting furnace, a new material furnace, an aluminum liquid launder respectively communicated with the refining furnace and the new material furnace, a diverter communicated with the aluminum liquid launder and a continuous casting machine communicated with the diverter.

Further, for better realization the utility model discloses, the outside of old material smelting furnace be provided with the hoisting tower, the outside of new material smelting furnace be provided with the hoisting tower.

Further, for better realization the utility model discloses, the internal surface of old material smelting furnace, refining furnace and/or new material stove on be provided with the burning rifle of the directional axis of a plurality of and downward sloping, burning rifle intercommunication have the combustor.

Further, for better realization the utility model discloses, the combustor have combustion fan through the pipeline intercommunication.

Further, for better realization the utility model discloses, old material smelting furnace, refining furnace and/or new material stove intercommunication have exhaust pipe.

Further, for better realization the utility model discloses, exhaust pipe intercommunication have the dust removal water tank, exhaust pipe's export is located under the liquid level in the dust removal water tank.

The beneficial effect that this scheme obtained is:

this scheme can refine, regenerate old and useless aluminium material to play resource recovery and utilization's effect, be favorable to improving resource utilization, reduce the wasting of resources, utilize the cooperation of shunt and conticaster to use, be convenient for with the periodic batch casting of aluminium liquid, avoid aluminium liquid to reveal and the extravagant phenomenon appears, safety risk when reducing production.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a schematic structural view of the continuous casting machine;

FIG. 3 is an enlarged view of FIG. 2 at B;

FIG. 4 is an enlarged view taken at A of FIG. 1;

FIG. 5 is a front view of the flow diverter;

FIG. 6 is a left partial cross-sectional view of the flow diverter;

FIG. 7 is a schematic view of the structure of the flow distribution nozzle;

FIG. 8 is a schematic structural diagram of a used material smelting furnace;

fig. 9 is a partial sectional view of the used material melting furnace.

Wherein: 1-old material smelting furnace, 101-furnace door, 102-dust cover, 103-reinforcing rib, 104-furnace body, 2-refining furnace, 3-new material furnace, 4-aluminum liquid launder, 5-diverter, 51-fixed channel, 52-rotating channel, 53-diverter nozzle, 54-positioning column, 6-continuous casting machine, 61-continuous casting machine frame, 63-protective fence, 64-continuous casting motor, 65-B driving wheel, 66-B driving belt, 68-casting mould, 69-continuous casting rotating shaft, 610-A driving wheel, 611-A driving belt, 7-burner, 8-combustion-supporting fan, 81-combustion-supporting pipeline, 9-smoke exhaust pipeline, 10-smoke exhaust fan, 11-dust removal water tank and 12-lifting tower.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1:

as shown in fig. 1, in the present embodiment, an aluminum ingot smelting system includes an old material smelting furnace 1, a refining furnace 2 communicated with the old material smelting furnace 1, a new material furnace 3, an aluminum liquid launder 4 respectively communicated with the refining furnace 2 and the new material furnace 3, a diverter 5 communicated with the aluminum liquid launder 4, and a continuous casting machine 6 communicated with the diverter 5.

The old material smelting furnace 1 is used for smelting recycled aluminum products such as waste aluminum products, aluminum ingots and aluminum alloys, and the separation of aluminum metal and other impurities is realized through the smelting of the old material smelting furnace 1. The smelted aluminum metal is in a liquid state and enters the refining furnace 2 through a pipeline for refining and purification, so that the purified aluminum liquid meets the process requirements.

The new material furnace 3 is used for smelting the new aluminum metal material and melting the new aluminum metal material into liquid state.

And then guiding the aluminum liquid in the refining furnace 2 and the new charging furnace 3 into a flow divider 5 through an aluminum liquid flow groove 4, and distributing the aluminum liquid into a continuous casting machine 6 by using the flow divider 5 for casting.

As shown in fig. 1 and 2, the continuous casting machine 6 includes a continuous casting frame 61, a plurality of continuous casting shafts 69 parallel to each other and rotatably disposed on the continuous casting frame 61, an a driving wheel 610 disposed on the continuous casting shafts 69, an a belt 611 drivingly connected to the a driving wheel 610, and a plurality of casting molds 68 disposed on the a belt 611.

The A driving wheel 610 on the continuous casting rotating shaft 69 drives the A driving belt 611 to rotate, the casting mold 68 is driven to move through the circulating rotation of the A driving belt 611, and the casting mold 68 receives the aluminum liquid shunted by the shunt 5. By controlling the moving speed of the A driving belt 611 to be consistent with the speed of the aluminum liquid distributed by the flow divider 5, continuous casting can be realized in the circulating moving process of the casting mold 68, so that the casting efficiency is improved. In the process of conveying the aluminum liquid, the aluminum liquid is cooled and solidified in the casting mold 68 to complete casting, and the solidified aluminum ingot is taken out to make the empty casting mold 68 rotate circularly. The flow divider 5 and the stations for taking down the aluminum ingots are arranged at the two ends of the A transmission belt 611, so that the aluminum liquid can be fully cooled in the process, the cooling device can be arranged in the continuous casting machine frame 61 for auxiliary cooling, the cooling efficiency of the aluminum liquid is improved, the whole length of the continuous casting machine frame 61 can be shortened, and the occupied area is reduced.

As shown in fig. 3 and 4, the continuous casting rotating shaft 69 is further provided with a B driving wheel 65, the B driving wheel 65 is in driving connection with a B driving belt 66, one of the B driving wheels 65 is in driving connection with the continuous casting motor 64 as a driving wheel, the other B driving wheels 65 are driven by the driving wheel through the B driving belt 66 as driven wheels, the B driving wheel 65 drives the continuous casting rotating shaft 69 to rotate, and the continuous casting rotating shaft 69 drives an a driving belt 611 to drive the casting mold 68 to rotate. One of the continuous casting shafts 69 is drivingly connected to the flow divider 5, and the continuous casting shaft 69 is used as a power source for the flow divider 5.

After the casting mold 68 is filled with the aluminum liquid, the pressure borne by the a transmission belt 611 is increased, so that a slip phenomenon exists between the a transmission wheel 610 and the a transmission belt 611, and therefore, the wear between the a transmission wheel 610 and the a transmission belt 611 can be increased, when a slip occurs between the a transmission wheel 610 and the a transmission belt 611, the a transmission wheel 610 can still rotate under the driving of the B transmission wheel 65 by using the B transmission wheel 65 and the B transmission belt 66 as main transmission components, and the friction between the a transmission wheel 610 and the a transmission belt 611 is always kept as rolling friction, so that the wear between the a transmission wheel 610 and the a transmission belt 611 is reduced, and the service life of the a transmission wheel 610 and the a transmission belt 611 is prolonged.

In order to increase the transmission stability, the B transmission wheel 65 and the B transmission belt 66 adopt a toothed synchronous wheel and a synchronous belt, or adopt a chain and a sprocket wheel, so as to avoid the slipping phenomenon between the B transmission wheel 65 and the B transmission belt 66. In addition, the driving wheel B65 and the driving belt B66 located in the middle can also keep a driving state all the time, so that all the driving wheels a 610 can synchronously rotate, and the driving belt a 611 can stably rotate, which is beneficial to keeping the casting mold 68 moving precision and accurately receiving the aluminum liquid shunted by the shunt 5 in the moving process.

In this embodiment, one of the B driving wheels 65 is connected with a continuous casting motor 64 as a driving wheel. Thereby facilitating the synchronous rotation of the B driving wheel 65 by the continuous casting motor 64.

Continuous casting pivot 69 receives the influence of factors such as machining precision, installation accuracy, B drive belt 66 receives the influence of machining precision, can lead to the interval of two adjacent B drive wheels 65 can't satisfy two B drive wheels 65 homoenergetic and just with B drive belt 66, be provided with the take-up pulley that is used for controlling B drive belt 66 tensioning degree on the continuous casting frame 61, utilize the take-up pulley to adjust B drive belt 66 between the adjacent B drive wheel 65, make B drive belt 66 and B drive wheel 65 can closely laminate, in order to guarantee driven efficiency.

One of the continuous casting shafts 69 is in transmission connection with the flow divider 5, and the continuous casting shaft 69 is used as a power source of the flow divider 5. Therefore, the continuous casting rotating shaft 69 and the flow divider 5 can synchronously rotate, and the aluminum liquid flow dividing precision is improved.

As shown in fig. 5 and 6, the flow divider 5 includes a fixed passage 51 and a rotating passage 52 having one end connected to the fixed passage 51 in a dynamic sealing manner, the rotating passage 52 is cylindrical, and a plurality of circular-tube-shaped flow dividing nozzles 53 are disposed on the free end surface of the rotating passage 52 and are uniformly distributed annularly around the axis of the rotating passage 52.

The fixed passage 51 is used for communicating with a conveying device for conveying aluminum liquid, and the aluminum liquid enters the fixed passage 51 and then enters the rotating passage 52. In the rotating process of the rotating channel 52, an independent circular tube type flow distributing nozzle 53 rotates from the position above the liquid level of the aluminum liquid to the position below the liquid level, the aluminum liquid gradually enters the casting mold 68 below the flow distributing nozzle 53 through the flow distributing nozzle 53, and the circular tube type flow distributing nozzle 53 can be ensured to be always positioned above the casting mold 68 because the rotation of the rotating channel 52 and the movement of the casting mold 68 are synchronously carried out, so that the aluminum liquid is prevented from being leaked. The continuous rotation of the rotary channel 52 gradually rotates the tap 53 above the molten aluminum level, and the molten aluminum stops casting without entering the tap 53. The casting mold 68 into which the molten aluminum is poured is driven forward. Because the plurality of branch nozzles 53 are arranged on the rotating channel 52, the aluminum liquid can be continuously injected into the plurality of casting molds 68, and the production efficiency is improved.

The fixed channel 51 is in dynamic sealing connection with the rotating channel 52, and the fixed channel 51 and the rotating channel 52 are kept in sealing connection when rotating relatively, so that the aluminum liquid is prevented from being leaked to cause waste, pollution or damage to other structures.

As shown in fig. 7, the free end of the flow distribution nozzle 53 is truncated by an oblique section through the end face, and the oblique section is inclined toward the axis of the rotating passage 52. The area of the cut-off end surface of the free end of the flow distribution nozzle 53 is more than or equal to one half of the area of the free end. Therefore, the size of the outlet of the flow distributing nozzle 53 can be increased, the flowing speed of the aluminum liquid is improved, the aluminum liquid is prevented from being remained in the flow distributing nozzle 53, and the flow distributing nozzle 53 is prevented from being blocked after being solidified by the remained aluminum liquid.

A plurality of positioning posts 54 are arranged on the side surface of the rotating channel 52, so that the positioning posts 54, the flow distribution nozzles 53 and the casting mold 68 are arranged in a one-to-one correspondence manner

On the basis of the above embodiments, in the present embodiment, the continuous casting machine frame 61 is provided with a cooling device. The cooling device is used for cooling the aluminum liquid in the casting die 68, so that the condensing speed of the aluminum liquid is increased, the length of a conveying line is favorably reduced, the whole floor area of the equipment is reduced, and the production cost, the conveying cost and the installation difficulty of the equipment are reduced. In this embodiment, the cooling device adopts air cooling, and avoids introducing impurities.

And a protective guard 63 is arranged on the outer side of the continuous casting machine frame 61. The protective guard 63 is used for limiting the moving space of workers, so that the situation that the workers are too close to the continuous casting machine frame 61 and the molten aluminum after safety risk casting moves along with the casting mold 68 is avoided, and the molten aluminum is cooled in the moving process. The continuous casting rotating shaft 69 connected with the rotating channel 52 and the continuous casting rotating shaft 69 connected with the continuous casting motor 64 are respectively positioned at two ends of the continuous casting frame 61, and the stroke of the aluminum liquid in the casting mold 68 can be increased within the design range, so that the length of time for cooling the aluminum liquid is increased, and the aluminum liquid can be fully cooled to form an aluminum ingot.

In this embodiment, the a driving wheel 610 can adopt a belt wheel, and the corresponding a driving belt 611 can adopt a belt. The a-drive pulley 610 can also be a sprocket and the corresponding a-drive belt 611 can be a chain.

The B drive pulley 65 can be a pulley and the corresponding B drive belt 66 can be a belt. The B driving wheel 65 can also adopt a chain wheel, and the corresponding B driving belt 66 can adopt a chain

In this embodiment, the continuous casting machine frame 61 may also be provided with a cooling device, for example, air cooling is used to cool the aluminum liquid, so as to improve the efficiency of cooling the aluminum liquid.

In this embodiment, the protective guard 63 is disposed on the outer side of the continuous casting machine frame 61, and the protective guard 63 is used to limit the moving area of the worker, so as to prevent the worker from contacting the continuous casting machine frame 61 too closely, and ensure the safety of the worker.

Example 2:

as shown in fig. 8 and 9, in addition to the above embodiments, in the present embodiment, a lifting tower 12 is provided outside the old material melting furnace 1, and a lifting tower 12 is provided outside the new material melting furnace 3.

The old material smelting furnace 1 comprises a cylindrical furnace body 104 with a cylindrical smelting cavity, a feeding hole arranged at the top of the furnace body 104, a dust cover 102 which is arranged on the furnace body 104 and can seal the feeding hole, a burning gun arranged inside the furnace body 104 and a furnace door 101 arranged on the furnace body 104. The burning torch points to the axis of the furnace body 104 and inclines downwards, and the burning torch is communicated with a burner 7 positioned outside the furnace body 104. In this embodiment, the burning torch is a natural gas burning torch, and the aluminum metal is melted by burning natural gas to generate heat energy.

The furnace body 104 is communicated with a combustion fan 8 positioned outside the furnace body 104 through a combustion-supporting pipeline 81, and oxygen can be supplemented into the furnace body 104 by utilizing the combustion fan 8 to play a combustion-supporting role.

The aluminum material enters the furnace body 104 through a feeding hole at the top of the furnace body 104, the natural gas is combusted, flame sprayed by a burning gun is used for heating the aluminum material to melt the aluminum material, the feeding hole can be sealed by utilizing the dust cover 102, and the pollution caused by leakage of waste gas generated in aluminum material smelting is avoided.

In this embodiment, the furnace body 104 can be communicated with the smoke exhaust duct 9, and the smoke exhaust duct 9 is used to intensively exhaust the waste gas to avoid leakage.

The furnace body 104 adopt refractory material to make, refractory material's the outside is provided with the steel construction, utilizes the steel construction to keep refractory material to form the stable in structure of furnace body 104, the surface of steel construction can set up vertically and horizontally staggered's strengthening rib 103, utilizes strengthening rib 103 to increase the intensity and the rigidity of steel construction.

In this embodiment, the refining furnace 2 and the new furnace 3 have the same structure as the old furnace 1.

The old material smelting furnace 1, the refining furnace 2 and the new material furnace 3 are communicated through a smoke exhaust pipeline 9, so that the old material smelting furnace 1, the refining furnace 2 and the new material furnace 3 can finally exhaust smoke through the same pipeline.

The smoke exhaust pipeline is communicated with a dust removal water tank 11, and an outlet of the smoke exhaust pipeline is positioned below the liquid level in the dust removal water tank 11. The dust removing water tank 11 is used for absorbing smoke dust in the waste gas to play a role in removing dust, and air pollution is avoided. The smoke exhaust pipeline 9 is connected with a smoke exhaust fan 10, and the smoke exhaust fan 10 is used for providing power for smoke exhaust.

In this embodiment, other undescribed contents are the same as those in the above embodiment, and thus are not described again.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and the technical spirit of the present invention is within the spirit and principle of the present invention, and any simple modification, equivalent replacement, and improvement made to the above embodiments are all within the protection scope of the technical solution of the present invention.

Claims

1. An aluminium ingot system of smelting which characterized in that: comprises an old material smelting furnace (1), a refining furnace (2) communicated with the old material smelting furnace (1), a new material furnace (3), an aluminum liquid launder (4) respectively communicated with the refining furnace (2) and the new material furnace (3), a flow divider (5) communicated with the aluminum liquid launder (4) and a continuous casting machine (6) communicated with the flow divider (5).

2. An aluminum ingot melting system as set forth in claim 1, wherein: the outer side of the old material smelting furnace (1) is provided with a lifting tower (12), and the outer side of the new material smelting furnace (3) is provided with the lifting tower (12).

3. An aluminum ingot melting system as set forth in claim 1, wherein: the inner surfaces of the old material smelting furnace (1), the refining furnace (2) and/or the new material furnace (3) are provided with a plurality of burning guns which point to the axis and incline downwards, and the burning guns are communicated with a burner (7).

4. An aluminum ingot melting system as set forth in claim 3, wherein: the combustor (7) is communicated with a combustion fan (8) through a pipeline.

5. An aluminum ingot melting system as set forth in claim 3, wherein: the old material smelting furnace (1), the refining furnace (2) and/or the new material furnace (3) are/is communicated with a smoke exhaust pipeline (9).

6. An aluminum ingot melting system as set forth in claim 5, wherein: the smoke exhaust pipeline is communicated with a dust removal water tank (11), and an outlet of the smoke exhaust pipeline is positioned below the liquid level in the dust removal water tank (11).